Test name | Executions per second |
---|---|
typeof string is undefined | 68935088.0 Ops/sec |
typeof undefined is undefined | 4731379.0 Ops/sec |
string is undefined | 4600870.0 Ops/sec |
undefined is undefined | 2432677.2 Ops/sec |
typeof "not undefined" === "undefined"
typeof undefined === "undefined"
"not undefined" === undefined
undefined === undefined